Cross-metathesis of olefins directly substituted with an electron-withdrawing group using transition metal carbene catalysts
US7598330B2 · kind B2 · utility
18Cited by
7References
43Claims
0Family size
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Key dates
| Filing date | Apr 7, 2003 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Jul 3, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention pertains to the use of Group 8 transition metal alkylidene complexes as catalysts for olefin cross-metathesis reactions. In particular, ruthenium and osmium alkylidene complexes substituted with an N-heterocyclic carbene ligand and at least one electron donor ligand in the form of a heterocyclic group are used to catalyze cross-metathesis reactions to provide a olefin products that are directly substituted with an electron-withdrawing group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.